/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "i2c.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "cxn0102.h"
#include <string.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
extern CXN_StateTypeDef cxn_state;
uint8_t control_cmd[2] = {0,0};

extern int8_t Brightness;
extern int8_t Contrast;
extern int8_t Hue_U;
extern int8_t Hue_V;
extern int8_t Saturation_U;
extern int8_t Saturation_V;
extern uint8_t Sharpness;

extern uint8_t read_data[16];
extern uint8_t Temperature;
extern uint8_t TemperatureMute;
extern uint8_t TemperatureStop;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_I2C1_Init();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
	LED_ON;
	cxn_disable();
	cxn_state = STATE_POWER_DOWN;
	LED_OFF;
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
	uint8_t wait;
	uint8_t read_temperature = 0;
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
		for(wait = 0;wait<50 && control_cmd[0] == 0; ++wait) {
			HAL_Delay(1);
		}
		if(cxn_state == STATE_START_INPUT) {
			if(read_temperature++ > 60) {
				read_temperature = 0;
				control_cmd[0] = CMD_GET_TEMPERATURE;
			}
		}
		if(Temperature >= CXN_TEMPERATURE_PROTECTION_THRESHOLD) {
			cxn_state = STATE_START_INPUT;
			control_cmd[0] = CMD_ONOFF;
			Temperature = 0;
		}
		if(control_cmd[0] != 0) {
			if(control_cmd[0] == CMD_ONOFF) {
							switch(cxn_state) {
								case STATE_UNKNOW:
								case STATE_START_INPUT:
										cxn_req_stop_input();
										cxn_wait_status(STATE_POWER_UP);
										if(control_cmd[1] != 0) {
												HAL_Delay(100); 
												cxn_disable();
												HAL_Delay(100);
												cxn_state = STATE_POWER_DOWN;
										}
										break;
								case STATE_POWER_DOWN:
										cxn_enable();
										MX_I2C1_Init(); //stm32 IIC会锁死 需要恢复一下
										//IIC总线恢复 之后进入 STATE_POWER_UP 如果一段时间内没有 start input 则自动蓝屏
										cxn_wait_status(STATE_POWER_UP);
								case STATE_POWER_UP:
										HAL_Delay(500); //进入 STATE_POWER_UP 后必须等待一会才能 start input
										cxn_req_start_input();
										HAL_Delay(2000);
										cxn_wait_status(STATE_START_INPUT);
										read_temperature = 0;
										break;
								case STATE_EASY_AXIS_ADJ:
								case STATE_EASY_PHASE_ADJ:
								default:
									break;
							}
			} else {
			
				switch(control_cmd[0] & 0xF0) {
					case CMD_GET_TEMPERATURE:
						if(cxn_state != STATE_START_INPUT) break;
						cxn_get_temperature();
						if(cxn_wait_reply(CXN_GET_TEMPERATURE)) {
							Temperature = read_data[3];
							TemperatureMute = read_data[4];
							TemperatureStop = read_data[5];
							HAL_UART_Transmit(&huart2, read_data+3, 3, CXN_TIMEOUT);
							read_temperature = 0;
						}
						break;
					case CMD_PICTURE:
						if(cxn_state != STATE_START_INPUT) break;
						if(control_cmd[0] == CXN_SET_BRIGHTNESS) {
							cxn_set_brightness(control_cmd[1] - 31);
						} else if(control_cmd[0] == CXN_SET_CONTRAST) {
							cxn_set_contrast(control_cmd[1] - 15);
						} else if(control_cmd[0] == CXN_SET_HUE) {
							cxn_set_hue(control_cmd[1] - 15, control_cmd[1] - 15);
						} else if(control_cmd[0] == CXN_SET_SATURATION) {
							cxn_set_saturation(control_cmd[1] - 15, control_cmd[1] - 15);
						} else if(control_cmd[0] == CXN_SET_SHARPNESS) {
							cxn_set_sharpness(control_cmd[1]);
						} 
						
						  else if(control_cmd[0] == CXN_GET_BRIGHTNESS) {
								cxn_get_brightness();
								if(cxn_wait_reply(CXN_GET_BRIGHTNESS)) {
									Brightness = read_data[3];
									HAL_UART_Transmit(&huart2, read_data+3, 1, CXN_TIMEOUT);
								}
						} else if(control_cmd[0] == CXN_GET_CONTRAST) {
								cxn_get_contrast();
								if(cxn_wait_reply(CXN_GET_CONTRAST)) {
									Contrast = read_data[3];
									HAL_UART_Transmit(&huart2, read_data+3, 1, CXN_TIMEOUT);
								}
						} else if(control_cmd[0] == CXN_GET_HUE) {
								cxn_get_hue();
								if(cxn_wait_reply(CXN_GET_HUE)) {
									Hue_U = read_data[3];
									Hue_V = read_data[4];
									HAL_UART_Transmit(&huart2, read_data+3, 2, CXN_TIMEOUT);
								}
						} else if(control_cmd[0] == CXN_GET_SATURATION) {
								cxn_get_saturation();
								if(cxn_wait_reply(CXN_GET_SATURATION)) {
									Saturation_U = read_data[3];
									Saturation_V = read_data[4];
									HAL_UART_Transmit(&huart2, read_data+3, 2, CXN_TIMEOUT);
								}
						} else if(control_cmd[0] == CXN_GET_SHARPNESS) {
								cxn_get_sharpness();
								if(cxn_wait_reply(CXN_GET_SHARPNESS)) {
									Sharpness = read_data[3];
									HAL_UART_Transmit(&huart2, read_data+3, 1, CXN_TIMEOUT);
								}
						}
						break;
					case CMD_OPTICAL_ADJ:
						if(cxn_state == STATE_POWER_UP) {
							if(control_cmd[0] == CXN_ENTER_EASY_BIPHASE_ADJ) {
								cxn_enter_phase_easy_adj();
								HAL_Delay(100);
								cxn_state = STATE_EASY_PHASE_ADJ;
							} else if(control_cmd[0] == CXN_ENTER_EASY_AXIS_ADJ) {
								cxn_enter_axis_easy_adj();
								HAL_Delay(100);
								cxn_state = STATE_EASY_AXIS_ADJ;
							}
						} else if(cxn_state == STATE_EASY_PHASE_ADJ) {
							if(control_cmd[0] == CXN_EASY_BIPHASE_PLUS) {
								cxn_phase_puls();
								HAL_Delay(20);
							}	else if(control_cmd[0] == CXN_EASY_BIPHASE_MINUS) {
								cxn_phase_minus();
								HAL_Delay(20);
							}	else if(control_cmd[0] == CXN_EXIT_EASY_BIPHASE_ADJ) {
								cxn_finish_phase_easy_adj(control_cmd[1]);
								HAL_Delay(100);
								cxn_state = STATE_POWER_UP;
							}
						} else if(cxn_state == STATE_EASY_AXIS_ADJ) {
								if(control_cmd[0] == CXN_ENTER_EASY_AXIS_ADJ) {
									cxn_enter_axis_easy_adj();
									HAL_Delay(20);
								} else if(control_cmd[0] == CXN_EASY_AXIS_PLUS) {
									cxn_axis_puls();
									HAL_Delay(20);
								} else if(control_cmd[0] == CXN_EASY_AXIS_MINUS) {
									cxn_axis_minus();
									HAL_Delay(20);
								}	else if(control_cmd[0] == CXN_EXIT_EASY_AXIS_ADJ) {
									cxn_finish_axis_easy_adj(control_cmd[1]);
									HAL_Delay(100);
									cxn_state = STATE_POWER_UP;
								}
						}
					  break;
				}
			} 
			control_cmd[0] = 0;
		}
		
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
